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LEB SYSTEM

Material and Profile

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LEB SYSTEM material

1Standars : KS D3506 Hot dip galvanized sheets and coil
Kind Yield Strength Tensile strength Elongation(%) Test specimen
N / ㎟ kg / ㎟ N / ㎟ kg / ㎟
SGH 295Y Above 295 Above 30 Above 400 Above 41 Above 18 No.5 rolling
direction
2Connection Bolt - M16 X 45
classification Diameter Area Effective area Allowable strength (Long term) Allowable strength (Short term) Material Strength Fracture Strength
㎜ ㎠ ㎠ Ton Ton Ton Ton
M16 16 2.01 1.51 2.41 3.62 3.62 61.18
3Foundation Anchor Bolt - M16 X 145 (fck ≧ 21Mpa)
classification M16(kN)
Tensile Force 0。 14.0
Combined Force 30。 14.2
45。 14.3
60。 14.3
Shear Force 90。 14.5

LEB SYSTEM Profile

Thickness 1.6T·2.0T·2.3T·3.0T

  • ㄷ - 220 X 65 X 18 X 12

  • ㄷ - 300 X 65 X 18 X 12

  • Column and Rafter profile

LEB SYSTEM SINGLE TYPE

SPECIFICATION C-220 X 65 X 18 X 12 C-300 X 65 X 18 X 12
THICKNESS(㎜) 1.6 2.0 2.3 3.0 1.6 2.0 2.3 3.0
WEIGHT(kg) 4.9 6.2 7.1 9.2 5.9 7.4 8.5 11.1
SECTION AREA A(㎟) 675.3 838.9 960.3 1,239.0 803.3 998.9 1,144.4 1,479.0
CENTER
AXIS
X(㎜) 109.2 109.0 108.3 108.5 149.2 149.0 148.8 148.5
Y(㎜) 18.6 18.4 18.3 17.9 15.6 15.4 15.3 14.9
INERTIA
MOMNET
Ixx(Cm4) 467.4 574.4 658.1 830.2 945.0 1,165.2 1,327.1 1,693.6
Iyy(Cm4) 36.2 44.1 49.8 62.1 40.4 49.2 55.5 69.2
SECTION
MODULOUS
Zxx(㎠) 41.7 51.6 58.9 75.4 62.6 77.4 88.4 113.3
Zyy max(㎠) 19.5 24.0 27.3 34.7 25.8 31.9 36.3 46.3
Zyy min(㎠) 8.1 9.9 11.2 14.0 8.4 10.3 11.7 14.2
RADIUS OF
GYRATION
Rxx(㎜) 83.9 83.7 83.5 83.1 109.7 109.3 109.1 108.5
Ryy(㎜) 24.2 24.0 23.8 24.4 23.4 23.2 23.0 22.6

LEB SYSTEM DOUBLE TYPE

SPECIFICATION 2C-220 X 65 X 18 X 12 2C-300 X 65 X 18 X 12
THICKNESS(㎜) 1.6 2.0 2.3 3.0 1.6 2.0 2.3 3.0
WEIGHT(kg) 9.9 12.3 14.1 18.4 11.9 14.8 17.0 22.2
SECTION AREA A(㎟) 1,350.6 1,677.8 1,920.6 2,478.0 1,606.6 1,997.8 2,288.7 2,958.0
CENTER
AXIS
X(㎜) 109.2 109.0 108.3 108.5 149.2 149.0 148.8 148.5
Y(㎜) 18.6 18.4 18.3 17.9 15.6 15.4 15.3 14.9
INERTIA
MOMNET
Ixx(cm⁴) 834.8 1,148.8 1,316.2 1,660.4 1,890.0 2,330.4 2,654.2 3,387.2
Iyy(cm⁴) 72.4 88.2 99.6 124.2 80.8 98.4 111.0 138.4
SECTION
MODULOUS
Zxx(㎠) 83.3 103.1 117.7 150.7 125.1 154.7 176.7 226.5
Zyy max(㎠) 38.9 47.9 54.5 69.3 51.5 63.7 72.5 92.5
Zyy min(㎠) 16.3 19.9 22.5 28.1 16.9 20.7 23.5 28.5
RADIUS OF
GYRATION
Rxx(㎜) 167.7 167.3 166.9 166.1 219.3 218.5 218.1 216.9
Ryy(㎜) 48.5 48.1 47.7 48.9 46.9 46.5 46.1 45.3

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